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-rw-r--r--Documentation/power/freezing-of-tasks.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/power/freezing-of-tasks.txt b/Documentation/power/freezing-of-tasks.txt
index af1a282c71a..04dc1cf9d21 100644
--- a/Documentation/power/freezing-of-tasks.txt
+++ b/Documentation/power/freezing-of-tasks.txt
@@ -155,6 +155,8 @@ Suppose, however, that the firmware file is located on a filesystem accessible
only through another device that hasn't been resumed yet. In that case,
request_firmware() will fail regardless of whether or not the freezing of tasks
is used. Consequently, the problem is not really related to the freezing of
-tasks, since it generally exists anyway. [The solution to this particular
-problem is to keep the firmware in memory after it's loaded for the first time
-and upload if from memory to the device whenever necessary.]
+tasks, since it generally exists anyway.
+
+A driver must have all firmwares it may need in RAM before suspend() is called.
+If keeping them is not practical, for example due to their size, they must be
+requested early enough using the suspend notifier API described in notifiers.txt.